Agency Arms
SIG SAUER P320 COMPACT Barrels
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Manufacturer
SIG SAUER
Model & version
P320 COMPACT · COMPACT
Mounting details
MIL-STD-1913 Picatinny, Leupold DeltaPoint Pro, SIG SAUER P320 PRO optic cut (ROMEO1PRO / DPP pattern, P320 / M17 / M18 / AXG slides)
Parts listed
16 total
SIG SAUER P320 COMPACTBarrels
What the compatibility labels mean
How we knowHow we check compatibility
- Lab testedFit checked by Firearm Lab for the recorded setup.
- Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
- Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.
Check your exact model and part before ordering. Fitment limits
Agency Arms2
Based on manufacturer information — Oct 2026. PREMIER LINE MATCH GRADE DROP-IN BARREL (COMPATIBLE WITH P320 COMPACT/X-CARRY)
Backup Tactical1
Threaded Barrel for COMPACT Sig P320
Faxon Firearms2
Faxon Match Series Flame Fluted Barrel for P320 Compact 9mm
Faxon Match Series Flame Fluted Threaded Barrel for P320 Compact 9mm
Grey Ghost Precision1
GGP320 Compact Match Grade Barrel
Killer Innovations1
Velocity Defense Barrel for Sig P320C
KKM Precision2
Sig Sauer P320 Compact/Carry 9MM Match 3.9"
Lone Wolf Arms1
Dawn Barrel For Sig P320 Compact, 9mm, Black
Part no. LWD-320C-BLK
Rival Arms1
SIG P320 Carry Drop-In Barrel
SilencerCo2
Threaded Barrel — Sig P320 Compact
Threaded Barrel — SIG P320 Compact (1/2 X 28)
Tactical Kinetics1
Sig Sauer (Compatible) P320 Compact Threaded Barrel - Stainless;
Part no. TK3054-SS
True Precision1
Sig P320 Compact, X-Carry, & M18 3.9" Threaded 1/2x28 No-LCI
Part no. P320C Threaded
Zaffiri Precision1
P320c Barrel – Threaded – TiN (Gold)
Part no. ZP.320BTG.2